And though it is plain they could not do without eating and performing all the other natural functions, because, in fact, they were men like ourselves, it is plain too that, wandering as they did the most part of their lives through woods and wilds and without a cook, their most usual fare would be rustic viands such as those thou now offer me; so that, friend Sancho, let not that distress thee which pleases me, and do not seek to make a new world or pervert knight-errantry.

There are no more uses of "function" in the book.

Show samples from other sources

I can't function on less than six hours of sleep a night; and I do best on nine.